How to Clean Rust Off a Car Engine

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Cleaning rust off of a car engine is difficult to do without completely tearing down the engine and cooking each individual part. Discover how to sand blast or pressure wash a car's engine with help from a certified master mechanic in this free video on car maintenance.

Part of the Video Series: Car Maintenance
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Video Transcript

Good afternoon my name is Tom Britzenhofe, Certified Master Tech from Redding, Pa. Today we're going to talk a little bit about how to clean rust off your car's engine. Now that right there is a real tricky feat and there is not too many ways that you can actually physically remove the rust off the car's engine without taking it out completely, tearing it all the way down and cooking each individual part. The only way you can actually remove rust off any kind of metal object is either one, sand blast or two, use a high pressure wash like a pressure washer, 3000 PSI that is heated. Those are about the two easiest ways of removing rust off an engine. You can try, if this is what your goal is is get a pressure washer, you can rent one at your local total rental or equipment rental shop and pressure wash your engine but the thing you want to keep in mind when you are doing that is your alternator, you have little cooling fins up across the top here and you try not to get any water down inside of that. If you end up doing that sometimes you end up ruining your alternator and that could get pretty costly replacing that but outside of hitting it with maybe a little penetrating oil and letting it soak for a little bit, hitting it with a pressure water, usually typically one that is heated, a cold pressure washer usually doesn't work too well. But outside of that unless you are willing to completely tear that motor out, rip it down and cook it, each individual part in a unit that is specifically designed for cooking engines that is about the only way you are going to get that rust off your motor.

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